Base | Representation |
---|---|
bin | 11011111100111101… |
… | …000011100011100101 |
3 | 2212110201000021201221 |
4 | 123330331003203211 |
5 | 442431444330212 |
6 | 21442121020341 |
7 | 2111523651646 |
oct | 337475034345 |
9 | 85421007657 |
10 | 30013667557 |
11 | 11801a29735 |
12 | 59976246b1 |
13 | 2aa416c103 |
14 | 164a1a56cd |
15 | ba9e28807 |
hex | 6fcf438e5 |
30013667557 has 8 divisors (see below), whose sum is σ = 30745905152. Its totient is φ = 29289178800.
The previous prime is 30013667543. The next prime is 30013667573. The reversal of 30013667557 is 75576631003.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30013667557 - 211 = 30013665509 is a prime.
It is a super-2 number, since 2×300136675572 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30013667527) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1929369 + ... + 1944862.
It is an arithmetic number, because the mean of its divisors is an integer number (3843238144).
Almost surely, 230013667557 is an apocalyptic number.
It is an amenable number.
30013667557 is a deficient number, since it is larger than the sum of its proper divisors (732237595).
30013667557 is a wasteful number, since it uses less digits than its factorization.
30013667557 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3874419.
The product of its (nonzero) digits is 396900, while the sum is 43.
The spelling of 30013667557 in words is "thirty billion, thirteen million, six hundred sixty-seven thousand, five hundred fifty-seven".
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